Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. inorganic material
7. mineral

Additional parents:

1. top of the aat hierarchies
2. Materials Facet
3. Materials
4. materials
5. materials by composition
6. inorganic material
7. rock
8. rock by form
9. stone
10. stone by quality
11. gemstone
12. gemstones by specific type

Narrower term/s

• peridot (mineral)

Anotations

Scope note:

A magnesium iron silicate mineral characterized by an olive green color, occurring in igneous and metamorphic rocks. It has two compositional varieties: fayalite (iron rich) and forsterite (magnesium rich). The opaque variety of the stone was found in Egypt, in the lava of Vesuvius, and in the Eifel district of Germany. Transparent, gem quality stones are called peridot, and found in various locations around the world.Olivine beads have been found in pre-Dynastic Egyptian jewelry.